Проблемы с запуском nginx

[root@km31113 nginx]# service nginx restart
2009/07/03 14:38:02 [info] 8611#0: the configuration file /etc/nginx/nginx.conf syntax is ok
2009/07/03 14:38:02 [info] 8611#0: the configuration file /etc/nginx/nginx.conf was tested successfully
Stopping nginx: [FAILED]
Starting nginx: [FAILED]

Как диагностировать?

Конфиг:
user nginx;
worker_processes 1;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}

http {
include mime.types;
default_type application/octet-stream;

log_format main '$remote_addr - $remote_user [$time_local] $status '
'"$request" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "http_x_forwarded_for"';

#access_log /var/log/nginx/access.log main;

sendfile on;
tcp_nopush on;
tcp_nodelay on;
###limit
limit_zone one $binary_remote_addr 10m;

server {
listen 80 default;
server_name domen.ru;
access_log /var/log/httpd/access.log main;
#limit
limit_conn one 20;

# Main location
location / {
proxy_pass http://127.0.0.1:8080/;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
keepalive_timeout 0;

}

# Static files location
location ~*^.+\.(jpg|jpeg|gif|png|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|wav |bmp|rtf|js)$
{
root /var/www/vhosts/wap4u.ru/httpdocs/;
}
location = /stat {
stub_status on;
access_log off;
#allow xx.xx.xx.xx;
#deny all;
}


}
}